diff --git a/legacy/firmware/ada.c b/legacy/firmware/ada.c
index 332351b8f..a6bf1f5ce 100644
--- a/legacy/firmware/ada.c
+++ b/legacy/firmware/ada.c
@@ -382,8 +382,7 @@ bool ada_get_address(const CardanoGetAddress *msg, char *address) {
   int address_bytes_len = 0;
   memset(&ada_node, 0, sizeof(HDNode));
   if (!config_getCardanoRootNode(&ada_node)) {
-    fsm_sendFailure(FailureType_Failure_ProcessError,
-                    _("Deriving root failed"));
+    fsm_sendFailure(FailureType_Failure_ProcessError, "Deriving root failed");
     return false;
   }
   if (!derive_bytes(&msg->address_parameters, msg->network_id,
@@ -1963,6 +1962,10 @@ bool ada_sign_messages(const CardanoSignMessage *msg,
     memcpy(address_params.address_n_staking, staking_path,
            address_params.address_n_staking_count * sizeof(uint32_t));
   }
+  if (!config_getCardanoRootNode(&ada_node)) {
+    fsm_sendFailure(FailureType_Failure_ProcessError, "Deriving root failed");
+    return false;
+  }
   if (!derive_bytes(&address_params, msg->network_id, MAINNET_PROTOCOL_MAGIC,
                     address_bytes, &address_bytes_len)) {
     return false;
diff --git a/legacy/firmware/ethereum_onekey.h b/legacy/firmware/ethereum_onekey.h
index 0d4530f7a..d83740476 100644
--- a/legacy/firmware/ethereum_onekey.h
+++ b/legacy/firmware/ethereum_onekey.h
@@ -71,6 +71,9 @@ bool ethereum_parse_onekey(const char *address, uint8_t pubkeyhash[20]);
     case 137:                                      \
       chain_name = "Polygon";                      \
       break;                                       \
+    case 250:                                      \
+      chain_name = "Fantom";                       \
+      break;                                       \
     case 324:                                      \
       chain_name = "zkSync Era";                   \
       break;                                       \